Update bandwidth/model/bxml/verbs/ring.py

Co-authored-by: AJ Rice <[email protected]>

Author: brianluisgomez

bandwidth/model/bxml/verbs/ring.py

@@ -22,7 +22,7 @@ def __init__(
         """
         self.duration = duration
         self.answer_call = answer_call
-        super().__init__(tag="Ring", content=None)
+        super().__init__(tag="Ring")
 
     @property
     def _attributes(self):